Annie 7 In 1 Educational Rechareable Solar E Kit Multi Color Easy to assemble No tools are required to assemble Most suitable for school projects Can work on both battries and solar power Contains: 1 motor with pc board, 4 wheels, 1 gear with shaft, 1 shaft, 2 sponge, 1 solar panel, 1 battery case, 2 black sponge, 1 micro rechargeable battery and 2 tray of plastic parts